Second Hand Shop
Send n email to firstname.lastname@example.org with any second hand hardware you want to sell, include a picture and value as awell as how you will ship it if needed. The product will be listed here and sold here monies will be transferred to the seller once the buyer has confirmed via email to email@example.com that they have received the product
This way there can be no bad sellers.
Aquamarine will take !0% for the sale.